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Sedaia [141]
3 years ago
13

alyssa has 6 quarters, 4 dimes and 5 nickels in her change jar. if she picks 2 at random, what is the probability that she will

pick a nickel and a quarter?
Mathematics
1 answer:
rusak2 [61]3 years ago
5 0
The probability of Alyssa picking a nickel and a quarter would be 11/15 (eleven over fifteen)

6/15 plus 5/15 which is 11/15
You get 15 as the denominator because you add 6+4+5=15

I hope u understand.
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_ 4. How many roots does the following equation have: 2x^4 – x^3 – 12x^2 – 25x + 5 = 0
vlada-n [284]

Answer:

B. 4

Step-by-step explanation:

The degree of the polynomial (the exponent of the highest term) is the total number of roots (including imaginary roots).

The degree of this polynomial is 4, so there are 4 roots.

7 0
3 years ago
Which situation could be solved using the equation-4+4=0
Taya2010 [7]
A change in temperature.
3 0
3 years ago
−7(7+5x)+x=−3x−18 what does x =
Eduardwww [97]

Answer:

-1

Step-by-step explanation:

-49-35x+x=-3x-18

-49-34x=-3x-18

-34x+3x=-18+49

-31x=31

-31x/-31=31/-31

ansx=-1

pliz mark my answer brainliest

4 0
3 years ago
Larry is 10 years old and his sister is 7 years old. In how many years time will there total age be 25 years?
maks197457 [2]
In the next 25 years, Larry will be 35 years old, while his sister will be 3 years less than him which is 32 years old for his sister, since his sister is 3 years younger.
7 0
3 years ago
Read 2 more answers
Help me please it’s due today
pentagon [3]

Answer:

<em>1. </em><em>B. $20</em>

<em>2.</em><em>C. 19%</em>

<em>3. </em>D. not here

Step-by-step explanation:

1.  info we know

25+45+10+25+15+10 = 130

we need 20 more dollars

2.  25/130   x/100

cross multiply

2500/ 130x

divide

19 = x

3.  same steps as last time

35/130 x/100

3500/130x

29%

5 0
3 years ago
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